Sawmill carriage



April 7, 1925.

J. s. REID sAw MILL 'CARRIAGE Filed April 17, 1924 2 Sheets-Sheet l @Hoz n m14 April 7, 1925;.

J. S. REID SAW MILL CARRIAGE Filed April 1'7, 1924 .'f'" "1 i l l l 63 l s g i -4 I l l l l 2.5/ l I 2 f i vl n l l l 1.9 Il I l l l l l 2 Sheets-Sheet 2 J w Strom,

Patented Apr. 7, 1925.

1,532,949' UNITED STATES PATENT orricE.v`

JOSEPH s. REID, or oLnAN, NEWA YORK, AssIsNon To CLARK BROTHERS COMPANY,

A CORPORATION or NEW Yoan. v 1

sawtiiiin CARRIAGE. j

Application filed April 17,` 1924. Serial No. 707,195. l

To all whom t may concern:

Be it known that I, JOSEPH S. REID, a citizen of the United States, residing at Olean, in the county of Cattaraugus and State of New York, have invented. certain new and useful Improvements in Sawmill Carriage@ of which the following is a specification. f

This invention relates to saw millv car' lo riages, more particularly to the means Vfor feeding the knees transversely of the carriage, the object of the invention being to so construct the knee feed nut that it may be In the accompanying drawings: Fig. 1 is a transverse sectional view through the saw mill carriage;

Fig. 2 is a vertical section through the feed screw taken on line 2 2 of Fig. 1; and, Fig. 3 is an enlarged sectional view through the feed nut. f

The numeral 1 indicates the carriage mounted upon suitable trucks 2. Arranged to travel transversely of the carriage is a knee 3 actuated by a feed screw t. Journaled at its outer end is a suitable bearing 5. The outer end of the feed screw 4 is pro'- vided with a pinion 6 adapted to mesh with a pinion 7 keyed to a drive shaft 8, extending lengthwise of the machine andgeared to the actuating mechanism of the several lmees.

To compensate for the taper of they log,`

means are provided for the manual adjustment of the several knees independently of the mechanical feeding means common to all of the knees. To accomplish this, I preferably provide the following construction:

The numeral 9 indicates a lever pivoted as at 10 in the knee 3.

A feed nut 12 engaging the feed screw 4c is preferably made into upper and lower parts 13 and 13, the upper half being pro` vided .with upwardly projecting lugs 14-14 which are connected to the lower end of the taper lever 9 bylinks 11-11 pivotally connected thereto by means of a pin 10, the opposite ends of the links being pivotally connected to the feed nut lugs 1PM by means of a pin 11, whereby the horizontalmovementof the feed-nut 12 is imparted to the knee 3. l

The lower half 13 of the unit is bolted to the upper half 13 of the nut 'by a suitable adjusted to take up the wear between itand'l f5 the feed screw.

bolt 15, with a sufficient clearance for thc bolts in the upper half 13 to permit of a longitudinal adjustment of the respective halves of the nut. To accomplish this adjustment the lower half 13l of the nut is provided with an upwardly'projecting ear 16 adapted to receivea bolt 17 carried by a transverse lug 18 of the-upper half of the nut, having interposed` between the ear 16 and the lug 1 8 aplurality of metal liners 19. By removing one or moreof these liners,

wear in the threads of the nut and the screw ma;7 lbe taken up. The threads'may'be cut in the upper and lower halves ofthe nut, but

preferably the upper and lower halves 13 and 13 are of cast steel with a' cored cham- 'ber 20. the cored chamber to'eontain a lining of babbitt 21, which is cast in the unit to fit the thread screw. j v The upper half of thenut is preferably provided with front and rear laterally eX- tending lugs 23-23, adapted to be received in suitable horizontal grooves, 2li- 24, arranged in the lower portion of the knee 3.

As a means for adjusting the quadrant 25 which the taper lever 9 engages, I preferably provide adjusting screws 26 and 2T at the outer ends of the quadrant 25, by means of which the base of the knee can be moved slightly ahead or backward with reference to the knee screw nut, for aligning the several knees. l l

To prevent the log from slipping on the carri-age, I provide each' knee with a plurality of pivoted dogs 30 aligned vertically between'the vertical side walls of the knee 3, the several dogs being connected together by a verticallyarranged link 31. One of the several dogs 30 is connected by a horizontal link 32 to an actuating lever 33 joui'- naled upon the shaft 10.

I` claim:

1.1The combination of a base,la bearing, a feed screw journaled in lsaid bearing, a knee, a feed nut carried by said knee, comprising upper and lower halves bolted together, and internally screw-threaded toreceive said feed screw,` and means for adjusting the upper and lower halvesof said feed nut longitudinally with respect to each other. f

2. `The combination of a base, a bearing, a feed screw journaled -in said bearing, a knee adjustable upon said base, a feed nut carried by said knee and actuatedby said*- teed serew, said leed nut comprised of upper and lower halves internally screw threaded, lugs projecting laterally from 'the upper and lower halves of the nut, Ahaving aligned openings one of which is ot greater diameter than the other and a bolt received in said openings whereby the upper and lower halves of the nut may be adjusted longitudinally relative to each other.)` y

3. The combination of a base, a bearing, a feed screw journaled in said bearing7 a knee adjustable upon said base, a feed nut eurried'by said knee and actuated by'said lteed screw, said feed nut comprised oit upper and lower halves internally screw threaded, lugs projecting laterally `from the upper and lower halves ot the nut, having aligned openings, transversely ot the axis of 'the bearing, one oi', which is ot' greater diameter than the other, lugs extending transif'ersely from the two halves of the bearing, and provided withaligned openings longitudinally of the axis of the bearing, and a bolt received. in.` said openings whereby the upper* and. lower halves may be adjusted longiti'idinally with' respect to each other:` y

4.'The combination oit' base, a bearing` carried thereby7 a -feed-screw yjournals/d in l said bearing, a knee adjustable upon. saidf base, afeed-nut comprising upper and lower halves bolted together and lintern-ally screw-v threaded to receive said feedfserew, means tor adjusting said` upper and lower halves with .respect to each other longitudinally of the feed-screw, aquadrant lever connected with said screw-feed, links connecting vsaid quadrant lever in said feed-lmee, and means for adjusting said `quadrant relative .to said knee.v

5. rEhe combination or a base, al bearing carried thereby7 a reed-screw journaled in said bearing, a lineer adjustable upon said base, a leedfnut comprising upper anjd lower halves bolted together and internally screwthreaded to receive said feed-screw, lugs projecting laterally trein the upper and lower halves of the nut having aligned openings transversely of the otV the and lower halves may be adjusted? long itir' dinally with respect to each other, a 'Qpiadv rant lever carried by said knee,` linls con meeting saidquadran-t lever and said teed nut, and meansfer .adjusting said quadrant relative to said knee. Z 'A In testimony whereof Iaiiix my signature. l JOSEPHS. REM). 

